Designed for plantar flexion contractures, pressure-free positioning and prevention or healing of decubital ulcers on the heel and malleoli. Lightweight, cool and soothing to irritated skin. Antibacterial filling. Cradle alleviates pressure to the heels and malleoli. Anti-rotation bar keeps the foot at a 90 degree angle. Strategically placed bead pockets stimulate blood circulation. Hook and loop fasteners allow for secure and expedient application. Sizes based on US shoe size.